Title:
HEAT-RESISTANT RUBBER COMPOSITION
Document Type and Number:
Japanese Patent JPS5480353
Kind Code:
A
Abstract:
PURPOSE: A heat-resistant rubber composition having improved flex and crack propagation resistance after heat aging, comprising a heat-resistant rubber and specific short aromatic polyamide fibers.
CONSTITUTION: 100 parts by wt. of a heat-resistant rubber, such as ethylene-propylene, ethylene-propylene-unsaturated component (e.g. dicyclopentadiene, 1,4- hexadiene, etc.) copolymer, butyl rubbers, etc. is incorporated with 0.5W10 parts by wt., aromatic 6W5 parts by wt. of short aromatic polyamide fibers, 1W30 mm in length and 10W50μ in diameter, e.g. poly (p-phenylene terephthalamide, poly (m- phenylen terephtalamide), etc.
Inventors:
KATOU SHINGO
UTSUNOMIYA TADASHI
AKIYOSHI HIROMI
INOUE SAKAE
UTSUNOMIYA TADASHI
AKIYOSHI HIROMI
INOUE SAKAE
Application Number:
JP14663577A
Publication Date:
June 27, 1979
Filing Date:
December 08, 1977
Export Citation:
Assignee:
BRIDGESTONE TIRE CO LTD
International Classes:
C08L23/00; C08K7/00; C08K7/02; C08L1/00; C08L7/00; C08L11/00; C08L21/00; C08L23/16; C08L23/28; C08L27/00; C08L27/12; C08L33/00; C08L33/02; C08L71/02; C08L77/00; C08L83/00; C08L83/04; C08L101/00; (IPC1-7): C08K7/02; C08L11/00; C08L23/16; C08L23/28; C08L27/12; C08L71/02; C08L83/04